package com.fbli.jedis;

import redis.clients.jedis.Jedis;

import java.util.Random;

public class PhoneCode {
    public static void main(String[] args) {
        //模拟验证码发送
        verifyCode("17679246953");
        //getRedisCode("17679246953","802885");
    }
    //3.验证码校验
    public static void getRedisCode(String phone,String code){
        //连接Jedis对象
        Jedis jedis = new Jedis("192.168.25.128",6379);
        //验证码key
        String codeKey="VerifyCode"+phone+":code";
        //从redis获取验证码
        String redisCode=jedis.get(codeKey);
        //判断验证码是否正确
        if (redisCode!=null&&redisCode.equals(code)){
            System.out.println("成功");
        }else {
            System.out.println("失败");
        }
        jedis.close();
    }
    //2。每个手机每天只能发送3次，验证码放到redis中，设置过期时间
    public static void verifyCode(String phone){
        //连接Jedis对象
        Jedis jedis = new Jedis("192.168.25.128",6379);
        //拼接key
        //手机发送次数
        String countKey="VerifyCode"+phone+":count";
        //验证码key
        String codeKey="VerifyCode"+phone+":code";
        //每个手机号每天只能发送3次
        String count=jedis.get(countKey);
        if(count==null){
            //没有发送次数，第一次发送
            //设置发送次数是1
            jedis.setex(countKey,24*60*60,"1");
        }else if(Integer.parseInt(count)<=2){
            //发送次数+1
            jedis.incr(countKey);
        }else if(Integer.parseInt(count)>2){
            //发送3次，不能再发送
            System.out.println("今天发送次数超过3次");
        }
        //发送验证码放到redis里面,设置过期时间120s
        String vcode=getCode();
        jedis.setex(codeKey,120,vcode);
        jedis.close();
    }
    //1.生成6位数字验证码
    public static String getCode(){
        String code="";
        Random random=new Random();
        for(int i=0;i<6;i++){
            int rand = random.nextInt(10);
            code+=rand;
        }
        return code;
    }
}
